Determine where the sticking is happening.
How to fix a stuck sliding closet door.
Maybe its your sliding track maybe slider wheels.
Most of the time the problem stems from dirty and dried up rollers.
To fix this issue first try vacuuming up debris and grime from the track with a crevice attachment.
If the sticking area is along the door frame where the hinges are located.
Sliding doors move along the tracks using a set of rollers.
To fix this remove your door from the tracks clean out the rollers and spray them with a lubricant such as wd 40.
If it s a matter of friction on the strike plate try.
Now precisely where on this part of the door frame does the sticking occur.
The first thing to check is what type of rail system your sliding closet door uses in order for it to slide.
These rollers can become damaged dirty or broken as the years go by and cause your door to stick.
Then wipe it with a damp rag.
If your doors hang from a top rail and do not have a track on the floor then you need to either replace or tighten down the floor guides.
On the top middle or bottom.